ATLÀNTIDA ESO3 UT4 Comunication

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Classe ATLÀNTIDA

Surname, name *

1 Could the MAC address change as the IP can?

1 The Mac address changes, the router decides when we connect

2 The Mac address is different depending on whether we send or receive a pack

3 The Mac address changes with each connection, TCP decides.

4 The Mac address is always the same

2 Which of these could be your computer's IP address ?

1 www.google.es

2 00-13-00-E1-11-11

3 192.168.014

4 192.168.014.033

3 What is Morse?

1 Animal’s meat which is much appreciated by Eskimos.

2 It is a method of communication. using dots and stripes.

3 It is a modern satelite system of communication.

4 Mechanical Organization Rotor Sequential Element

Clear selection

4 Which is the correct code to write SOS in morse?

1 ---...-.-.

2 ...---...

3 .---...-.--....--...---...--..-.-.-.-.-.-..-

4 -- --- .-. ... .

Clear selection

5 What is the difference between SMTP and POP3 protocol?

1 SMTP is the old version of the current POP3

2 POP3 is to store and SMTP to send mails

3 POP3 is for sending and SMPT to encrypt mails

4 POP3 is a compression code and SMPT to write emails

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6 The difference between WiFi and Bluetooth is ..

1 Bluetooth signal range is 10 meters while Wi-Fi reaches 100 meters.

2 WiFi is for browsing, Bluetooth for headphones or speakers.

3 WiFi transmits data with encryption and Bluetooth with double encryption

4 WiFi and Bluetooth do the same thing.

Clear selection

7 Which protocol do browsers use (Crome, Safari ...)?

1 https

2 TCP-IP

3 www

4 POP3

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8 What is the function of the DNS server ?

1 Hosts emails using SMTP and POP3 protocols

2 Gives a web address and provides the IP address

3 Gives the IP address, and allows you to know the MAC address

4 Transformes IP addresses into MAC addresses

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9 The electromagnetic wave frequency is...

1 The quantity of electromagnetic waves in unit time at a given point

2 The quantity of electromagnetic waves that circulate in the wave length

3 The quantity of electromagnetic waves that circulate in one herz

4 All answers are correct

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10 The name of the communication system that takes advantage of the electrical installation to send information is...

1 PLT

2 MDS

3 ELM

4 WINS

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